【Industry's Lightest Class】These Bluetooth earphones weigh a mere 13g, offering a feather-light wearing experience that feels almost weightless. The soft material ensures a gentle fit on the head, providing excellent comfort. The ear-hook style minimizes ear strain while ensuring a secure fit. This unique design combines fashion and functionality, allowing you to enjoy music while also sporting a stylish accessory. You won't get tired even after wearing these earphones for extended periods. No interference with glasses! Perfect as a gift for close friends, loved ones, or as a reward for yourself! 【15 Hours of Continuous Playback & Bluetooth 5.3 Instant Connection】Earaku open-ear earphones feature fast charging via Type-C, allowing for a full charge in 1.5 hours. When fully charged, you can enjoy 15 hours of playback at 30% volume, 13 hours at 50% volume, and 10 hours at 100% volume. Suitable for daily activities such as commuting, housework, and reading. Compatible with Bluetooth 5.3 and AAC/SBC codecs, allowing you to enjoy high-quality sound on various devices such as iPhones and Android phones. Low latency ensures instant connection, and you can use them within a 10-meter range with confidence. Simultaneously connect to two smartphones without the hassle of switching connections! 【Air Conduction That Doesn't Block Your Ears & Easy Operation】Open-ear earphones don't have the feeling of blockage that ordinary Bluetooth earphones have. Because your ear canals are open, there is less strain on your ears, and you can use them comfortably. No more uncomfortable vibrations or pressure like bone conduction earphones, freeing you from these sensations. Compared to bone conduction earphones, which typically offer around 7 hours of continuous playback, these offer up to 15 hours! 【Equipped with ENC Microphone Noise Reduction & Sound Leakage Suppression Function】 【Applicable to Various Life Scenes】These open-ear earphones are an assistant for a better life. You can enjoy music while doing housework or childcare without missing the voices of your precious children. You can also be aware of dangerous sounds, such as the sound of cars, while you're out and about. Included items: Earphone wireless body * 1, Type-C charging cable * 1, Japanese instruction manual * 1.